EP 3885649 B1 20221109 - CIRCULAR LIGHT-GUIDING STRUCTURE AND LIGHT-GUIDING DEVICE
Title (en)
CIRCULAR LIGHT-GUIDING STRUCTURE AND LIGHT-GUIDING DEVICE
Title (de)
KREISFÖRMIGE LICHTLEITENDE STRUKTUR UND LICHTLEITENDE VORRICHTUNG
Title (fr)
STRUCTURE DE GUIDAGE DE LUMIÈRE CIRCULAIRE ET DISPOSITIF DE GUIDAGE DE LUMIÈRE
Publication
Application
Priority
EP 20166201 A 20200327
Abstract (en)
[origin: EP3885649A1] A circular light-guiding structure is disclosed, comprising a hollow-out portion, a light-guiding portion and a light circle; the light-guiding portion comprising at least three light source receiving slots, at least three trenches and a plurality of microstructures, and the at least three light source receiving slots being arranged at intervals at an inner peripheral side of the light-guiding portion and in communication with the hollow-out portion; the at least three trenches being respectively disposed outside the at least three light source receiving slots, and the microstructures being disposed at bottom surface of the light-guiding portion; the light circle having light transmissibility and comprising a light-reflecting portion and a light-emitting portion; the light-reflecting portion being disposed around an outer peripheral side of the light-guiding portion and having a light-reflecting surface, and the light-emitting portion being disposed above the light-reflecting portion.
IPC 8 full level
F21V 33/00 (2006.01); F21V 8/00 (2006.01); F21Y 105/18 (2016.01)
CPC (source: EP)
G02B 6/0095 (2013.01); F21V 33/0052 (2013.01); F21Y 2105/18 (2016.07); G02B 6/0021 (2013.01); G02B 6/0028 (2013.01); G02B 6/0036 (2013.01); G02B 6/0038 (2013.01); G02B 6/0055 (2013.01); G02B 6/0068 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 20166201 A 20200327